Several new methods used in the quick - speed - project of auxiliary shaft construction in fuli coal mine 富力煤矿副井井筒快速施工的几项新技术
Outside wall fast diging construction of the freezing segment of the auxiliary shaft in guqiao coal mine 顾桥矿副井井筒冻结段外壁掘砌优质快速施工
High accuracy through survey at adits of main and auxiliary shafts in tashan coalmine of datong coal industry group 同煤集团塔山矿主副井平峒高精度贯通测量
Fire resistance tests for service installations - part 5 : service ducts and shafts ; german version en 1366 - 5 : 2003 辅助设施的防火检验.第5部分:辅助通道和副井
Feasibility analysis on the method of measuring crossing basic point building of the anxiliary shaft of tunliu coal mine 屯留煤矿副井测量十字基点建立方法可行性分析
Optimum design and implementation of the holing through project between auxiliary shaft and the east airshaft in chengjiao coal mine 城郊煤矿副井与东风井贯通工程的优化设计及实施
Analyses and countermeasures on the fissures occurring in the surface structures which closely surrounds qinan coalmine ' s subsidiary shaft 矿井副井井口房工程裂缝的原因分析与治理之实践
The maximum tangential compressive reaches 2221 , which is about 76 . 6 % of the ultimate compressive strain , within safe status 在龙固副井施工中，井壁环向最大压应变达2221 ，约为极限压应变的76 . 6 % ，处于安全状态。
Abstract : a fall accident of three staffs going by cage at an auxiliary shaft of a mine is analyzed , and the preventive countermeasures are put forward 文摘:对某矿副井发生的一起3名乘罐人员坠井事故进行了分析，并提出了预防措施。
Variety rules of concrete strain of outer shaft wall were carried out based on in - situ measurement during freeze sinking of longgu mine auxiliary shaft 摘要通过龙固副井冻结凿井期现场实测，获得了龙固副井外层井壁混凝土应变的变化规律。
